Perhaps you should try some spelling variations:
tinh huong » dinh huong, anh huong
huong luan » huong lan, cuong luan, huong loan
chien soat » thien hoat
kien soat » kiem soat, bien soan, kien hoa
quang tan » quang tuan, quang tran, quang toan
van chien » van hien, van hieu, van tien
van kien » van tien, van hien, van hieu
tan van » tran van, tang van, dang van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh huong luan van kien soat ) or ( tinh quang tan van chien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh huong luan van kien soat ) OR ( tinh quang tan van chien soat ))*.